Directed by
| Richard Thorpe | ||
Writing Credits (in alphabetical order)
| Victor Canning | ... | (novel) |
| Jo Eisinger | ... | (uncredited) |
| Adrian Spies | ... | (screenplay) |
Cast (in credits order)
| Alex Cord | ... | Joe Christopher | |
| Shirley Eaton | ... | Phoebe Stewart | |
| Laurence Naismith | ... | Burr | |
| Oscar Beregi Jr. | ... | Philippe Soriel (Scorpio) (as Oscar Beregi) | |
| Lester Matthews | ... | Mr. Harris | |
| Antoinette Bower | ... | Terry | |
| Arthur Malet | ... | Hinton | |
 |
Barry Ford | ... | Bratter |
| Émile Genest | ... | Garin | |
| Vincent Beck | ... | Paul Fretoni | |
|
|
Ilka Windish | ... | Miss Gunther |
| Laurie Main | ... | Tyson | |
|
|
Andre Philippe | ... | Gian |
|
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Harry Raybould | ... | Lodel |
| Danielle De Metz | ... | Marie | |
| Rest of cast listed alphabetically: | |||
|
|
Dianna Denning | ||
| Milton Parsons | ... | Mr. Atkinson | |
| Eric Pohlmann | ... | Bit part | |
| Ivor Barry | ... | Rt. Hon. John Murney (uncredited) | |
Produced by
| Richard Thorpe | ... | producer |
Music by
| Dave Grusin | ||
Cinematography by
| Ellsworth Fredericks | ... | (as Ellsworth Fredricks) |
Editing by
| Richard W. Farrell | ... | (as Richard Farrell) |
Art Direction by
| George W. Davis | ||
| Addison Hehr | ||
Set Decoration by
| Henry Grace | ||
| Jack Mills | ||
Makeup Department
| Mary Keats | ... | hair stylist |
| William Tuttle | ... | makeup artist |
Production Management
| Marvin Stuart | ... | unit production manager |
Second Unit Director or Assistant Director
| Dale Hutchinson | ... | assistant director |
Sound Department
| Franklin Milton | ... | recording supervisor |
Stunts
| Fred Carson | ... | stunt double (uncredited) |
Music Department
| Larry Bunker | ... | musician: drums (uncredited) |
| Dave Grusin | ... | conductor (uncredited) |
| Artie Kane | ... | musician: piano (uncredited) |
| Roger Kellaway | ... | musician: piano (uncredited) |
| Michael Lang | ... | musician: piano (uncredited) |
| Shelly Manne | ... | musician: drums (uncredited) |
| Red Mitchell | ... | musician: bass (uncredited) |
| Ted Nash | ... | musician: woodwinds (uncredited) |
| Uan Rasey | ... | musician: trumpet (uncredited) |
| Emil Richards | ... | musician: drums (uncredited) |
